CONSOLIDATED STATEMENTS OF INCOME (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Income Statement [Abstract]
NET SALES	$ 404,170	$ 342,663	$ 412,659
COSTS OF OPERATIONS	361,734	302,606	342,557
GROSS PROFIT	42,436	40,057	70,102
OPERATING EXPENSES:
Selling, general, and administrative expenses	28,323	27,507	31,407
Interest expense, net	369	712	728
Other income	(119)	(815)	(161)
Total operating expenses	28,573	27,404	31,974
INCOME BEFORE INCOME TAXES	13,863	12,653	38,128
INCOME TAX PROVISION	5,175	3,531	15,120
NET INCOME	8,688	9,122	23,008
NET LOSS ATTRIBUTABLE TO NONCONTROLLING INTERESTS	542
NET INCOME ATTRIBUTABLE TO MILLER INDUSTRIES, INC.	$ 9,230	$ 9,122	$ 23,008
BASIC INCOME PER COMMON SHARE (in dollars per share)	$ 0.82	$ 0.82	$ 1.98
DILUTED INCOME PER COMMON SHARE (in dollars per share)	$ 0.82	$ 0.82	$ 1.92
CASH DIVIDENDS DECLARED PER COMMON SHARE (in dollars per share)	$ 0.56	$ 0.52	$ 0.48
WEIGHTED AVERAGE SHARES OUTSTANDING:
Basic (in shares)	11,233	11,068	11,600
Diluted (in shares)	11,324	11,258	11,984